11108697653 has 2 divisors, whose sum is σ = 11108697654. Its totient is φ = 11108697652.

The previous prime is 11108697569. The next prime is 11108697661. The reversal of 11108697653 is 35679680111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7655725009 + 3452972644 = 87497^2 + 58762^2 .

It is an emirp because it is prime and its reverse (35679680111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11108697653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11108697598 and 11108697607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11108697683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554348826 + 5554348827.

It is an arithmetic number, because the mean of its divisors is an integer number (5554348827).

Almost surely, 2^11108697653 is an apocalyptic number.

It is an amenable number.

11108697653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11108697653 is an equidigital number, since it uses as much as digits as its factorization.

11108697653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11108697653 in words is "eleven billion, one hundred eight million, six hundred ninety-seven thousand, six hundred fifty-three".